MELBOURNE, AUSTRALIA (AP) _ Results Thursday from Australian Open at Melbourne Park (seedings in parentheses): Aryna Sabalenka (1), Belarus, def. Paula Badosa (11), Spain, 6-4, 6-2. Madison Keys (19), United States, def. Iga Swiatek (2), Poland, 5-7, 6-1, 7-6 (8).
Australian Open resumes on Wednesday, with top seed and defending champion Jannik Sinner leading the action in the second set of quarter-finals in Melbourne.
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